Macs

Which AI models run on the M5 Ultra (512 GB, 80-core GPU)?

The M5 Ultra (512 GB, 80-core GPU) has 512 GB of memory, about 384 GB of it usable for a model. 109 of the 110 models in our catalog run on it at 4-bit or better.

Data as of 2 November 2026 · Vendor specs

Compare with other machines
512 GBmemory ~384 GB usable for a model
—bandwidth: not published
109models run at 4-bit or better
Our pick for this machine Qwen3.8-Flash-Next Q4_K_XL · 115 of 384 GB · ~111 tok/s ModelFit est. The largest model on our shortlist of current models that runs at 4-bit or better and 10 tok/s or more.

Models that run on it

ModelBest buildMemorySpeed
GLM-5.3-Flash320B MoEQ4_K_M200 GBno estimate
DeepSeek-V4-Flash284B MoEQ4_K_M177 GBno estimate
Qwen3-235B-A22B235B MoEQ4_K_M134 GBno estimate
Qwen3.8-Flash-Next125B MoEQ4_K_XL115 GB~111 tok/s ModelFit est.
Nemotron 3 Super 120B-A12B120B MoEQ4_K_M90 GB~61 tok/s ModelFit est.
Nemotron 3.5 Super VL 120B-A12B120B MoEQ4_K_M76 GBno estimate
gpt-oss-120b117B MoEMXFP468 GB~146 tok/s ModelFit est.
Llama 3.3 70B70.6BQ8_078 GB~13 tok/s ModelFit est.
Llama 3.3 Nemotron Super 49B49BQ4_K_M31 GBno estimate
Qwen3.6-35B-A3B35B MoEQ8_041 GB~160 tok/s ModelFit est.
Gemma 4 31B30.7BQ8_033 GB~28 tok/s ModelFit est.
Qwen3-Coder-30B-A3B30.5B MoEQ8_034 GB~130 tok/s ModelFit est.
Nemotron 3 Nano 30B-A3B30B MoEQ4_K_M19.6 GBno estimate
Qwen3.8-27B27.3BQ8_029 GB~34 tok/s ModelFit est.
Gemma 4 26B-A4B25.2B MoEQ8_030 GB~123 tok/s ModelFit est.
gpt-oss-20b21B MoEMXFP415.1 GB~167 tok/s ModelFit est.
Nemotron Nano 9B v29BQ4_K_M6.6 GBno estimate
Qwen3.5 9B Instruct9BQ8_012.0 GB~96 tok/s ModelFit est.
Qwen2.5 7B Instruct7BQ4_K_M6.6 GB~153 tok/s ModelFit est.
Gemma 3 4B Instruct4BQ8_05.0 GB~159 tok/s ModelFit est.
Ling-3.1-flash-1019560BQ4_K_M368 GB~42 tok/s ModelFit est.
Llama 3.1 405B Instruct405BQ4_K_M250 GB~4.1 tok/s slow ModelFit est.
Llama 4 Maverick400B MoEQ4_K_M252 GB~76 tok/s ModelFit est.
Ornith 1.5 122B125.09BQ4_K_M79 GB~107 tok/s ModelFit est.
Ling-3.0-flash124BQ4_K_M81 GB~152 tok/s ModelFit est.
Devstral 2 123B123BQ4_K_M78 GB~13 tok/s ModelFit est.
Qwen3.5 122B-A10B Instruct122B MoEQ4_K_M75 GB~102 tok/s ModelFit est.
Laguna S 2.1118BQ4_K_M99 GB~85 tok/s ModelFit est.
Llama 4 Scout109B MoEQ4_K_M70 GB~73 tok/s ModelFit est.
Qwen3-Next 80B-A3B80B MoEQ8_088 GB~201 tok/s ModelFit est.
Kolibri 178.1BQ4_K_M52 GB~181 tok/s ModelFit est.
Llama 3.1 70B Instruct70BQ4_K_M44 GB~22 tok/s ModelFit est.
DeepSeek-R1 Distill Llama 70B70BQ4_K_M44 GB~22 tok/s ModelFit est.
Mixtral 8x7B Instruct46.7B MoEQ4_K_M32 GB~70 tok/s ModelFit est.
Flint 40B-A2.5B39.8B MoENVFP424 GB~236 tok/s ModelFit est.
Sage-A1.535.95BQ4_K_M23 GB~225 tok/s ModelFit est.
Qwen3.5 35B-A3B Instruct35B MoEQ8_041 GB~160 tok/s ModelFit est.
Ornith 1.0 35B35BQ4_K_M23 GB~228 tok/s ModelFit est.
Nanbeige4.3 33B33.1BQ8_037 GB~27 tok/s ModelFit est.
Poolside Laguna XS.233BQ4_K_M25 GBno estimate
Laguna XS 2.133BQ4_K_M22 GB~215 tok/s ModelFit est.
Qwen3 32B32BQ8_037 GB~27 tok/s ModelFit est.
DeepSeek-R1 Distill Qwen 32B32BQ8_037 GB~27 tok/s ModelFit est.
Olmo 3.1 32B Instruct32BQ4_K_M21 GB~45 tok/s ModelFit est.
Qwen3 30B30BQ8_032 GB~130 tok/s ModelFit est.
NVIDIA Nemotron Cascade 2 30B-A3B30B MoEQ6_K26 GBno estimate
Cohere North Mini Code30BQ4_K_M20 GBno estimate
Nemotron 3.5 Lightning 30B-A3B30B MoEQ4_K_M27 GB~160 tok/s ModelFit est.
GLM-4.7-Flash 30B-A3B30B MoEQ4_K_M20 GB~175 tok/s ModelFit est.
Granite Switch 4.1 30B30BQ4_K_M23 GB~42 tok/s ModelFit est.
Muse Glimmer 30B29.8BQ4_K_M18.3 GB~56 tok/s ModelFit est.
Granite 4.2 30B29.3BQ4_K_M17.9 GB~49 tok/s ModelFit est.
AREX-2 27B27.4BQ4_K_M18.6 GB~54 tok/s ModelFit est.
Gemma 2 27B Instruct27BQ4_K_M23 GB~50 tok/s ModelFit est.
Gemma 3 27B Instruct27BQ4_K_M23 GB~52 tok/s ModelFit est.
Qwen3.5 27B Instruct27BQ8_029 GB~34 tok/s ModelFit est.
Qwen3.6 27B27BQ8_032 GB~34 tok/s ModelFit est.
Jebadiah 27B27BQ8_031 GB~34 tok/s ModelFit est.
Mistral Small 3.124BQ8_025 GB~36 tok/s ModelFit est.
LFM2 24B-A2B Instruct24B MoEQ4_K_M15.3 GB~239 tok/s ModelFit est.
Devstral Small 2 24B24BQ4_K_M16.6 GB~58 tok/s ModelFit est.
Mistral Small 22B22BQ4_K_M18.4 GB~65 tok/s ModelFit est.
Qwen2.5 14B Instruct14BQ4_K_M12.3 GB~89 tok/s ModelFit est.
Phi-3 Medium 14B14BQ4_K_M12.3 GBno estimate
Phi-4 14B14BQ8_015.9 GB~56 tok/s ModelFit est.
Qwen2.5 Coder 14B14BQ4_K_M12.3 GB~89 tok/s ModelFit est.
Qwen3 14B14BQ8_017.3 GB~57 tok/s ModelFit est.
DeepSeek-R1 Distill Qwen 14B14BQ8_016.0 GB~57 tok/s ModelFit est.
Ministral 3 14B13.5BQ4_K_M10.3 GB~89 tok/s ModelFit est.
Mellum2.1 12B-A2.5B Thinking12.1B MoEQ4_K_M9.3 GBno estimate
Mistral Nemo 12B12BQ8_013.4 GB~67 tok/s ModelFit est.
Gemma 3 12B Instruct12BQ4_K_M10.7 GB~102 tok/s ModelFit est.
Gemma 4 12B12BQ8_014.1 GB~66 tok/s ModelFit est.
GLM-4-9B-Chat9.4BQ8_011.2 GB~88 tok/s ModelFit est.
Gemma 2 9B Instruct9BQ4_K_M8.2 GB~109 tok/s ModelFit est.
Ornith 1.0 9B9BQ4_K_M6.7 GB~143 tok/s ModelFit est.
MiMo-V2.6-Distill-Qwen-9B9BQ4_K_M6.9 GB~139 tok/s ModelFit est.
Jebadiah 9B9BQ8_011.0 GB~94 tok/s ModelFit est.
Granite 4.2 8B8.8BQ4_K_M6.1 GB~130 tok/s ModelFit est.
Granite Switch 4.1 8B8.8BQ4_K_M7.6 GB~110 tok/s ModelFit est.
MiniCPM-V 4.5 8B8.7BQ4_K_M6.8 GB~139 tok/s ModelFit est.
Ministral 3 8B8.4BQ4_K_M7.1 GB~123 tok/s ModelFit est.
LFM2.5 8B-A1B8.3B MoEQ4_K_M6.6 GB~277 tok/s ModelFit est.
Llama 3.1 8B Instruct8BQ8_09.2 GB~96 tok/s ModelFit est.
Qwen3 8B8BQ8_09.3 GB~93 tok/s ModelFit est.
Granite 4.1 8B Instruct8BQ4_K_M6.6 GB~126 tok/s ModelFit est.
Mistral 7B Instruct7BQ8_08.4 GB~100 tok/s ModelFit est.
Qwen2.5 Coder 7B7BQ4_K_M6.6 GB~153 tok/s ModelFit est.
DeepSeek-R1 Distill Qwen 7B7BQ8_08.7 GB~103 tok/s ModelFit est.
Gemma 4 E4B4.5BQ8_08.7 GB~143 tok/s ModelFit est.
Qwen3.5 4B Instruct4BQ8_05.4 GB~153 tok/s ModelFit est.
NVIDIA Nemotron 3.5 Bolt E4B4BQ4_K_M9.1 GB~171 tok/s ModelFit est.
Phi-3 Mini 3.8B3.8BQ4_K_M4.3 GBno estimate
Phi-4 Mini 3.8B3.8BQ8_04.9 GB~152 tok/s ModelFit est.
Granite 4.2 3B3.7BQ4_K_M3.2 GB~228 tok/s ModelFit est.
Ministral 3 3B3.4BQ4_K_M4.1 GB~187 tok/s ModelFit est.
Qwen2.5 3B Instruct3BQ4_K_M3.6 GB~248 tok/s ModelFit est.
Llama 3.2 3B Instruct3BQ4_K_M3.6 GB~225 tok/s ModelFit est.
Granite 4.1 3B Instruct3BQ4_K_M3.0 GB~228 tok/s ModelFit est.
Gemma 4 E2B2.3BQ8_05.7 GB~248 tok/s ModelFit est.
Gemma 2 2B Instruct2BQ4_K_M2.8 GB~243 tok/s ModelFit est.
Qwen3.5 2B Instruct2BQ4_K_M2.8 GB~249 tok/s ModelFit est.
LFM3 1.7B1.73BQ4_K_M2.1 GB~322 tok/s ModelFit est.
Qwen2.5 1.5B Instruct1.5BQ4_K_M2.5 GB~327 tok/s ModelFit est.
Llama 3.2 1B Instruct1BQ4_K_M2.0 GB~345 tok/s ModelFit est.
Gemma 3 1B Instruct1BQ8_02.0 GB~328 tok/s ModelFit est.
Qwen3.5 0.8B Instruct0.8BQ4_K_M1.8 GB~355 tok/s ModelFit est.
Qwen2.5 0.5B Instruct0.5BQ4_K_M1.8 GB~415 tok/s ModelFit est.
SmolLM2 360M0.36BQ4_K_M1.5 GB~350 tok/s ModelFit est.

Speeds come from ModelFit's estimates (CC BY 4.0) where it covers the model, otherwise from our bandwidth formula. Method

Too big for this machine

DeepSeek-R1 671B (390 GB).

Questions

What is the best AI model for the M5 Ultra (512 GB, 80-core GPU)?

Qwen3.8-Flash-Next at Q4_K_XL: the largest model on our shortlist of current models that runs at 4-bit or better at a usable speed (about 111 tok/s, ModelFit est.).

How much memory can a model use on the M5 Ultra (512 GB, 80-core GPU)?

About 384 GB of the 512 GB.